Home / Standards / GB/T 13477.4-2017 GB/T 13477.4-2017 Active Test method for building sealants—Part 4:Determination of extrudability of one-component sealants 建筑密封材料试验方法 第4部分:原包装单组分密封材料挤出性的测定 Standard Type GBT ICS 91.100.50 CCS Q24 Status 现行 Issue Date 2017-05-31 Implementation 2018-04-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A